The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2020
Filed:
Mar. 24, 2016
Applicant:
Evonik Roehm Gmbh, Darmstadt, DE;
Inventors:
Thomas Richter, Darmstadt, DE;
Christoph Seipel, Babenhausen, DE;
Kay Bernhard, Darmstadt, DE;
Sivakumara K Krishnamoorthy, Pfungstadt, DE;
Sebastian Buehler, Freiburg, DE;
Assignee:
Evonik Roehm GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); C08J 9/236 (2006.01); C08J 9/02 (2006.01); C08J 9/14 (2006.01); C08F 2/38 (2006.01); C08J 9/06 (2006.01); C08K 3/36 (2006.01); C08K 5/00 (2006.01); C08L 33/12 (2006.01);
U.S. Cl.
CPC ...
C08J 9/236 (2013.01); C08F 2/38 (2013.01); C08J 9/008 (2013.01); C08J 9/02 (2013.01); C08J 9/06 (2013.01); C08J 9/142 (2013.01); C08K 3/36 (2013.01); C08K 5/0083 (2013.01); C08L 33/12 (2013.01); C08J 2201/026 (2013.01); C08J 2203/12 (2013.01); C08J 2205/044 (2013.01); C08J 2205/046 (2013.01); C08J 2205/10 (2013.01); C08J 2207/00 (2013.01); C08J 2333/12 (2013.01); C08L 2203/14 (2013.01);
Abstract
Fine-cell PMMA foams are produced using a production process including nucleators in addition to suitable blowing agents. It was found that, surprisingly, a simple-to-produce stable PMMA foam having very fine cells and very good properties can be produced.